Francois jacob and jacques monod studied escherichia coli (e. coli) bacteria by using lab experimentation. what revision to their initial hypothesis did they come up with?

a) the lac operon is repressed by allolactose.
b) e. coli are unable to process lactose sugar.
c) all e. coli operons are always turned on.
d) two operons control bacterial respiration.

D) Two operons control bacterial respiration.

two operons control bacterial respiratom

Explanation:

just did it

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.